Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO3

Vale, James G.; Calder, Stuart A.; Donnerer, Christian; Pincini, D.; Shi, Y.G.; Tsujimoto, Y.; Yamaura, K.; Moretti Sala, M.; van den brink, J; Christianson, Andrew D.; McMorrow, D. F.

doi:10.1103/PhysRevB.97.184429

Title: Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in ${NaOsO}_{3}$

Abstract

NaOsO₃ undergoes a metal-insulator transition (MIT) at 410 K, concomitant with the onset of antiferromagnetic order. The excitation spectra have been investigated through the MIT by resonant inelastic x-ray scattering (RIXS) at the Os L₃ edge. Low resolution (ΔE ~ 300 meV) measurements over a wide range of energies reveal that local electronic excitations do not change appreciably through the MIT. This is consistent with a picture in which structural distortions do not drive the MIT. In contrast, high resolution (ΔE ~ 56 meV) measurements show that the well-defined, low-energy magnons in the insulating state weaken and dampen upon approaching the metallic state. Concomitantly, a broad continuum of excitations develops which is well described by the magnetic fluctuations of a nearly antiferromagnetic Fermi liquid. By revealing the continuous evolution of the magnetic quasiparticle spectrum as it changes its character from itinerant to localized, our results provide unprecedented insight into the nature of the MIT in NaOsO₃. In particular, the presence of weak correlations in the paramagnetic phase implies a degree of departure from the ideal Slater limit.

Authors:

Vale, James G. ^[1];

^[2]; Donnerer, Christian ^[3]; Pincini, D. ^[4]; Shi, Y.G. ^[5]; Tsujimoto, Y. ^[6]; Yamaura, K. ^[7]; Moretti Sala, M. ^[8]; van den brink, J ^[9];

^[10]; McMorrow, D. F. ^[3]

Univ. College London, London (United Kingdom). London Centre for Nanotechnology and Dept. of Physics and Astronomy; Ecole Polytechnique Federale Lausanne (Switzlerland). Lab. for Quantum Magnetism
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Division
Univ. College London, London (United Kingdom). London Centre for Nanotechnology and Dept. of Physics and Astronomy
Univ. College London, London (United Kingdom). London Centre for Nanotechnology and Dept. of Physics and Astronomy; Science and Technology Facilities Council (STFC), Harwell Campus, Oxford (United Kingdom). Diamond Light Source, Ltd.
Chinese Academy of Sciences (CAS), Beijing (China). Beijing National Lab. for Condensed Matter Physics and Inst. of Physics; National Inst. for Materials Science (NIMS), Tsukuba (Japan). Research Center for Functional Materials
National Inst. for Materials Science (NIMS), Tsukuba (Japan). Research Center for Functional Materials
National Inst. for Materials Science (NIMS), Tsukuba (Japan). Research Center for Functional Materials; Hokkaido Univ., Sapporo (Japan). Graduate School of Chemical Sciences and Engineering
European Synchrotron Radiation Facility (ESRF), Grenoble (France)
Leibniz Inst. for Solid State and Materials Research (IFW), Dresden (Germany)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Neutron Scattering Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy

Publication Date:: Wed May 30 00:00:00 EDT 2018

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC)

OSTI Identifier:: 1462864

Alternate Identifier(s):: OSTI ID: 1439519

Grant/Contract Number:: AC05-00OR22725; EP/N027671/1; EP/N034872/1; 15K14133; 16H04501; 11774399; 11474330

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review B

Additional Journal Information:: Journal Volume: 97; Journal Issue: 18; Journal ID: ISSN 2469-9950

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Vale, James G., Calder, Stuart A., Donnerer, Christian, Pincini, D., Shi, Y.G., Tsujimoto, Y., Yamaura, K., Moretti Sala, M., van den brink, J, Christianson, Andrew D., and McMorrow, D. F. Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO3.  United States: N. p., 2018. 
Web.  doi:10.1103/PhysRevB.97.184429.

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                    Vale, James G., Calder, Stuart A., Donnerer, Christian, Pincini, D., Shi, Y.G., Tsujimoto, Y., Yamaura, K., Moretti Sala, M., van den brink, J, Christianson, Andrew D., & McMorrow, D. F. Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO3.  United States.  https://doi.org/10.1103/PhysRevB.97.184429

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                    Vale, James G., Calder, Stuart A., Donnerer, Christian, Pincini, D., Shi, Y.G., Tsujimoto, Y., Yamaura, K., Moretti Sala, M., van den brink, J, Christianson, Andrew D., and McMorrow, D. F. Wed .  
"Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO3".  United States.  https://doi.org/10.1103/PhysRevB.97.184429.  https://www.osti.gov/servlets/purl/1462864.

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@article{osti_1462864,

  title        = {Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO3},

  author       = {Vale, James G. and Calder, Stuart A. and Donnerer, Christian and Pincini, D. and Shi, Y.G. and Tsujimoto, Y. and Yamaura, K. and Moretti Sala, M. and van den brink, J and Christianson, Andrew D. and McMorrow, D. F.},

  abstractNote = {NaOsO3 undergoes a metal-insulator transition (MIT) at 410 K, concomitant with the onset of antiferromagnetic order. The excitation spectra have been investigated through the MIT by resonant inelastic x-ray scattering (RIXS) at the Os L3 edge. Low resolution (ΔE ~ 300 meV) measurements over a wide range of energies reveal that local electronic excitations do not change appreciably through the MIT. This is consistent with a picture in which structural distortions do not drive the MIT. In contrast, high resolution (ΔE ~ 56 meV) measurements show that the well-defined, low-energy magnons in the insulating state weaken and dampen upon approaching the metallic state. Concomitantly, a broad continuum of excitations develops which is well described by the magnetic fluctuations of a nearly antiferromagnetic Fermi liquid. By revealing the continuous evolution of the magnetic quasiparticle spectrum as it changes its character from itinerant to localized, our results provide unprecedented insight into the nature of the MIT in NaOsO3. In particular, the presence of weak correlations in the paramagnetic phase implies a degree of departure from the ideal Slater limit.},

  doi          = {10.1103/PhysRevB.97.184429},

  journal      = {Physical Review B},

  number       = 18,

  volume       = 97,

  place        = {United States},

  year         = {Wed May 30 00:00:00 EDT 2018},

  month        = {Wed May 30 00:00:00 EDT 2018}

}

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https://doi.org/10.1103/PhysRevB.97.184429

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Cited by: 15 works

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Figures / Tables:

FIG. 1: Summary of magnetic and electronic behavior in NaOsO₃ as a function of temperature. (a) Charge gap extracted from resistivity data (dotted line), optical gap (purple squares), and integrated intensity of (0, 1, 1) magnetic Bragg peak obtained from powder neutron diffraction (green triangles). The MIT and onset ofmore »

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Works referencing / citing this record:

Spin and orbital excitations through the metal-to-insulator transition in ${Cd}_{2} {Os}_{2} O_{7}$ probed with high-resolution resonant inelastic x-ray scattering
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journal, December 2018

Taylor, A. E.; Morrow, R.; Lumsden, M. D.
Physical Review B, Vol. 98, Issue 21
DOI: 10.1103/physrevb.98.214422

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Phase transition preceding magnetic long-range order in the double perovskite ${Ba}_{2} {NaOsO}_{6}$

Journal Article Willa, Kristin ; Willa, Roland ; Welp, Ulrich ; ... - Physical Review B

Recent theoretical studies [G. Chen et al., Phys. Rev. B 82, 174440 (2010); H. Ishizuka et al., Phys. Rev. B 90, 184422 (2014)] for the magnetic Mott insulator Ba₂NaOsO₆ have proposed a low-temperature order parameter that breaks lattice rotational symmetry without breaking time reversal symmetry, leading to a nematic phase just above the magnetic ordering temperature. We present high-resolution calorimetric and magnetization data of the same Ba₂NaOsO₆ single crystal and show evidence for a weakly field-dependent phase transition occurring at a temperature of T_s ≈ 9.5K, above the magnetic ordering temperature of T_c ≈ 7.5K. This transition appears as amore »« less
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https://doi.org/10.1103/PhysRevB.100.041108

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Title: Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO 3

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Magnetic Effects and the Hartree-Fock Equation journal, May 1951

Lifshitz metal–insulator transition induced by the all-in/all-out magnetic order in the pyrochlore oxide Cd 2 Os 2 O 7 journal, April 2015

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Spin-wave gap and spin dynamics of γ-Mn alloys journal, September 1998

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Persistent spin excitations in doped antiferromagnets revealed by resonant inelastic light scattering journal, February 2014

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Hydrodynamic Theory of Spin Waves journal, December 1969

Strongly gapped spin-wave excitation in the insulating phase of NaOsO 3 journal, January 2017

Antiferromagnetic order and spin dynamics in iron-based superconductors journal, August 2015

Spin-Orbit Physics Giving Rise to Novel Phases in Correlated Systems: Iridates and Related Materials journal, March 2016

Renormalization-group treatment of the critical dynamics of superfluid helium, the isotropic antiferromagnet, and the easy-plane ferromagnet journal, February 1976

On-site interband excitations in resonant inelastic x-ray scattering from Cu 2 O journal, April 2008

Searching for the Slater transition in the pyrochlore Cd 2 Os 2 O 7 with infrared spectroscopy journal, July 2002

A high-energy-resolution resonant inelastic X-ray scattering spectrometer at ID20 of the European Synchrotron Radiation Facility journal, February 2018

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Transition entre états métalliques et isolants pour un gaz d'électrons. Application aux bandes d'impuretés et aux antiferromagnétiques. I journal, January 1959

Continuous metal-insulator transition in the pyrochlore Cd 2 Os 2 O 7 journal, April 2001

Magnetic correlations and neutron scattering journal, July 1968

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Structural and correlation effects in the itinerant insulating antiferromagnetic perovskite NaOsO 3 journal, March 2013

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Paramagnetic spin correlations in CaFe 2 As 2 single crystals journal, June 2010

Resonant inelastic x-ray scattering study of the electronic structure of Cu 2 O journal, May 2010

High-energy damping by particle-hole excitations in the spin-wave spectrum of iron-based superconductors journal, September 2014

Spin-wave widths in antiferromagnets at intermediate temperatures journal, May 1974

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Title: Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in ${NaOsO}_{3}$

Magnetically Driven Metal-Insulator Transition in ${NaOsO}_{3}$
journal, June 2012

Spin-phonon interactions in a Heisenberg antiferromagnet. II. The phonon spectrum and spin-lattice relaxation rate
journal, August 1974

Spin fluctuation damping of magnons in itinerant electron magnets
journal, June 1993

Crystal-Field Splitting and Correlation Effect on the Electronic Structure of $A_{2} {IrO}_{3}$
journal, February 2013

Tetrahedral Magnetic Order and the Metal-Insulator Transition in the Pyrochlore Lattice of ${Cd}_{2} {Os}_{2} O_{7}$
journal, June 2012

Effects of coupling between chains on the magnetic excitation spectrum of ${KCuF}_{3}$
journal, November 1995

Itinerant Magnetic Excitations in Antiferromagnetic ${CaFe}_{2} {As}_{2}$
journal, May 2009

Spin-Orbit Coupling Controlled $J = 3 / 2$ Electronic Ground State in $5 d^{3}$ Oxides
journal, May 2017

Correlated Quantum Phenomena in the Strong Spin-Orbit Regime
journal, March 2014

Persistent high-energy spin excitations in iron-pnictide superconductors
journal, February 2013

Spin waves and magnetic exchange interactions in CaFe2As2
journal, July 2009

Theory of Resonant Inelastic X-Ray Scattering by Collective Magnetic Excitations
journal, October 2010

Magnetic Effects and the Hartree-Fock Equation
journal, May 1951

Lifshitz metal–insulator transition induced by the all-in/all-out magnetic order in the pyrochlore oxide Cd ₂ Os ₂ O ₇
journal, April 2015

Magnetic State of Pyrochlore ${Cd}_{2} {Os}_{2} O_{7}$ Emerging from Strong Competition of Ligand Distortions and Longer-Range Crystalline Anisotropy
journal, March 2013

Resonant inelastic x-ray scattering studies of elementary excitations
journal, June 2011

Slater to Mott Crossover in the Metal to Insulator Transition of ${Nd}_{2} {Ir}_{2} O_{7}$
journal, July 2016

Resonant inelastic x-ray scattering operators for $t_{2 g}$ orbital systems
journal, August 2017

Persistence of magnetic excitations in La2−xSrxCuO4 from the undoped insulator to the heavily overdoped non-superconducting metal
journal, August 2013

Continuous metal-insulator transition of the antiferromagnetic perovskite ${NaOsO}_{3}$
journal, October 2009

Spin-wave gap and spin dynamics of γ-Mn alloys
journal, September 1998

Metal–Insulator Transitions in Pyrochlore Oxides Ln ₂ Ir ₂ O ₇
journal, September 2011

Electronic structure and magnetic properties of NaOsO $_{3}$
journal, May 2012

Enhanced spin-phonon-electronic coupling in a 5d oxide
journal, November 2015

Extended scattering continua characteristic of spin fractionalization in the two-dimensional frustrated quantum magnet ${Cs}_{2} {CuCl}_{4}$ observed by neutron scattering
journal, October 2003

Crossover from spin waves to diffusive spin excitations in underdoped $Ba ({Fe}_{1 - x} {Co}_{x})_{2} {As}_{2}$
journal, May 2014

Persistent spin excitations in doped antiferromagnets revealed by resonant inelastic light scattering
journal, February 2014

Spin-orbit-driven magnetic structure and excitation in the 5d pyrochlore Cd2Os2O7
journal, June 2016

Evolution of the Magnetic Excitations in ${NaOsO}_{3}$ through its Metal-Insulator Transition
journal, May 2018

Normal-state spin dynamics and temperature-dependent spin-resonance energy in optimally doped BaFe1.85Co0.15As2
journal, December 2009

Hydrodynamic Theory of Spin Waves
journal, December 1969

Strongly gapped spin-wave excitation in the insulating phase of ${NaOsO}_{3}$
journal, January 2017

Antiferromagnetic order and spin dynamics in iron-based superconductors
journal, August 2015

Spin-Orbit Physics Giving Rise to Novel Phases in Correlated Systems: Iridates and Related Materials
journal, March 2016

Renormalization-group treatment of the critical dynamics of superfluid helium, the isotropic antiferromagnet, and the easy-plane ferromagnet
journal, February 1976

On-site interband excitations in resonant inelastic x-ray scattering from ${Cu}_{2} O$
journal, April 2008

Searching for the Slater transition in the pyrochlore ${Cd}_{2} {Os}_{2} O_{7}$ with infrared spectroscopy
journal, July 2002

A high-energy-resolution resonant inelastic X-ray scattering spectrometer at ID20 of the European Synchrotron Radiation Facility
journal, February 2018

On the temperature dependence of the magnetic excitations
journal, July 2005

Correlation functions of a Heisenberg antiferromagnet
journal, November 1970

Transition entre états métalliques et isolants pour un gaz d'électrons. Application aux bandes d'impuretés et aux antiferromagnétiques. I
journal, January 1959

Continuous metal-insulator transition in the pyrochlore ${Cd}_{2} {Os}_{2} O_{7}$
journal, April 2001

Magnetic correlations and neutron scattering
journal, July 1968

Metal-insulator transitions
journal, October 1998

Lifshitz transition driven by spin fluctuations and spin-orbit renormalization in ${NaOsO}_{3}$
journal, December 2016

Electromagnon dispersion probed by inelastic X-ray scattering in LiCrO2
journal, November 2016

Electronic excitations in the edge-shared relativistic Mott insulator: ${Na}_{2}$ ${IrO}_{3}$
journal, February 2014

Structural and correlation effects in the itinerant insulating antiferromagnetic perovskite NaOsO $_{3}$
journal, March 2013

Intense paramagnon excitations in a large family of high-temperature superconductors
journal, July 2011

Itinerant Antiferromagnetism
journal, March 1966

Trigonal ligand field and zero field splitting diagrams for the d ⁵ configuration
journal, June 1976

Paramagnetic spin correlations in ${CaFe}_{2} {As}_{2}$ single crystals
journal, June 2010

Resonant inelastic x-ray scattering study of the electronic structure of ${Cu}_{2} O$
journal, May 2010

High-energy damping by particle-hole excitations in the spin-wave spectrum of iron-based superconductors
journal, September 2014

Spin-wave widths in antiferromagnets at intermediate temperatures
journal, May 1974

Resonant inelastic x-ray scattering study of the spin and charge excitations in the overdoped superconductor ${La}_{1.77} {Sr}_{0.23} {CuO}_{4}$
journal, February 2016

Spin Fluctuations in Itinerant Electron Magnetism
book, January 1985

Magnetic excitation spectrum of Na $_{2}$ IrO $_{3}$ probed with resonant inelastic x-ray scattering
journal, June 2013

Lifetimes of Antiferromagnetic Magnons in Two and Three Dimensions: Experiment, Theory, and Numerics
journal, July 2013

Infrared evidence of a Slater metal-insulator transition in NaOsO3
journal, October 2013

Anisotropic exchange and spin-wave damping in pure and electron-doped ${Sr}_{2} {IrO}_{4}$
journal, August 2017

Spin and orbital excitations through the metal-to-insulator transition in ${Cd}_{2} {Os}_{2} O_{7}$ probed with high-resolution resonant inelastic x-ray scattering
journal, January 2020

Origin of magnetic excitation gap in double perovskite ${Sr}_{2} {FeOsO}_{6}$
journal, December 2018